by zhanhongyuan | Jan 8, 2025 | Science
Home What are the differences between an element, a compound, and a mixture? Answer 1 Robert Williams An element is a pure substance consisting of one type of atom. A compound is a substance formed when two or more elements chemically bond. A mixture contains two or...
by zhanhongyuan | Jan 8, 2025 | Humanities
Home What were the major causes and consequences of the Great Depression in the United States? Answer 1 Timothy Owen The Great Depression was primarily caused by the stock market crash of 1929, bank failures, reduced consumer spending, and flawed economic policies....
by zhanhongyuan | Jan 8, 2025 | Math
Home What is the area of a triangle that has a base of 9 cm and a height of 6 cm? Answer 1 Terri Johnson DDS To find the area of a triangle, use the formula: Area = 1/2 * base * height. Here, the base is 9 cm and the height is 6 cm. So, Area = 1/2 * 9 cm * 6 cm = 27...
by zhanhongyuan | Jan 8, 2025 | Science
Home How does the law of conservation of momentum apply in a perfectly elastic collision? Answer 1 Sean Rivera Jr. In a perfectly elastic collision, both momentum and kinetic energy are conserved. The total momentum of the system before the collision equals the total...
by zhanhongyuan | Jan 8, 2025 | Math
Home How can you solve a quadratic equation using the quadratic formula? Answer 1 Andrew Horn To solve a quadratic equation ax^2 + bx + c = 0 using the quadratic formula, use x = (-b ± √(b²-4ac)) / (2a). First, identify coefficients a, b, and c. Then, substitute these...
by zhanhongyuan | Jan 8, 2025 | Science
Home How do the central and peripheral nervous systems interact to coordinate movement and response mechanisms in the human body? Answer 1 John Perry The central nervous system (CNS) and peripheral nervous system (PNS) work together to coordinate movement and...
by zhanhongyuan | Jan 8, 2025 | Humanities
Home What is the significance of using symbolism in Nathaniel Hawthorne's 'The Scarlet Letter'? Answer 1 Catherine Butler Symbolism in ‘The Scarlet Letter’ is significant because it deepens the narrative, highlighting themes like sin, guilt, and...
by zhanhongyuan | Jan 8, 2025 | Humanities
Home How do fiscal and monetary policies differ in their approaches to controlling inflation, and what are the potential strengths and weaknesses of each method? Answer 1 Stephen Lewis Fiscal policy involves government spending and taxation to influence the economy,...
by zhanhongyuan | Jan 8, 2025 | Science
Home What is the difference between a software developer and a software engineer? Answer 1 Terry Soto A software developer focuses on writing code and building applications, often dealing with specific tasks and functionalities. A software engineer applies engineering...
by zhanhongyuan | Jan 8, 2025 | Humanities
Home > Page 4 Who wrote the novel titled 'To Kill a Mockingbird'? Answer 1 Nicholas Swanson The novel ‘To Kill a Mockingbird’ was written by Harper Lee. Published in 1960, it has become a classic of modern American literature, winning the Pulitzer Prize...